100-line native code compiler

Incidentally, anyone else tinkering might like to look at my 100-line native
code compiler for a trivial OCaml-like language written in OCaml:

  http://groups.google.co.uk/group/fa.caml/msg/5aee553df34548e2

I plan to develop this to benchmark against OCaml doing FFTs just as soon as I
can find the time. The glaring omission is, of course, a GC.